package com.bbs.service;

import java.util.List;

import com.bbs.po.User;

public interface userService {
   int regisration(User user);
   
   User cheak(String username,String password);
   
   List<User> getAllUser();
   
   int setGrade(int grade,String username);
   
   List<User> search(String username);
   
   int deleteUser(String username);
}
